gtp two - speed gearbox -...
TRANSCRIPT
GTP2G Two - Speed Gearbox
Print No. : GTP2G_201602A EN
German Tech Precision Manufacturing Co., Ltd.
Warranty after commissioning
Chief representitive in Taiwan :
German Tech Auto Co., Ltd.
Chief representitive in P.R.China :Dynamic Power Transmission Co., Ltd.Add : No. 255 Shuangbang Road, Xujing, Qingpu District,
Shanghai, P.R.China
Postal code : 201702
Tel : 86-21-59883978
Fax : 86-21-59883979
Email : [email protected]
Website : www.gtadtc.com
Add : Floor 1, No.28, Fenggong Zhong Rd., Shengang Dist.,
Taichung City, Taiwan (R.O.C.)
Postal code : 42942
Tel : +886-4-25150566
Fax : +886-4-25152413
Email : [email protected]
Website : www.german-tech-precision.com
Application, Benefits, Design
Modular design
Technical data
Motor connection
Adaptions
Bearing life
Torsional backlash
Lubrication
Connections for lubrication
Overview Installation Drawings
Odering information
3–4
5–6
7–8
9
10–11
12
13–14
15
16
17–18
20–27
28–31
Motor output shaft
Innovative Technology, Great Value
Our innovative product is high precision two–speed gearbox (GTP–2G) for machine tools as well as customer specific applications.
Our development and production are focused on high precision and high productivity.
GTA Rotary Joint GTP 2G250GTS Spindle Gegrpox
Spindle CouplingROBA-DSmayr
CTS (Coolant Through Spindle)Inline Output
Long-type Standard Flange Output
CTS (Coolant Through Spindle)
Standard Flange Output
Special Combination DesignShaft Output
German Patent
01 02
Nm
kW
Power
rpm
doubled constant power range
rpm
ApplictaionGTP-2G Two–speed gearboxes are mainly used in machine tool main–spindle drives, test benches and applications
which high torque is needed. The gearbox can be used in turning machines and machining centers thanks to its variable installation position. The
.
gearbox is also suitable for many systems which torque increases and/or speed reduction is needed.
Torque– Power curveSpeed ranges 1:4/1:5.5 are available, constant power of main spindle can be achieved with the gearbox, depending
on the controllable range of motor. This provides high torque at low speed on the one hand and high power at high
speed on the other, allowing the cutting power of modern tools to be fully utilized.
Benefits• Energy Saving : with precise reduction mechanism and high efficiency, decrease or extend the input speed of motor
to achieve machining requirement and save energy.• Wide machining range : wide output speed, increase the flexibilities of machine tool and has no influence on
machining precision.• Increase machining torque : extend the output power and increase the output torque of motor effectively.• Wide range of machining material: low output speed and high output torque for hard materials, and high output speed
for soft materials.• High efficiency : compact design of helical gearing , provide better efficiency than spur gear with lowest noise and
optimized Space. • Modular design : with different adapter design suitable for different brands of motors.
Torque–Power Curve – e . g . GTP-2G –250
Torque
Machining Center
GTP-2G StandardWide bearing base for high radial force
Motor–gearbox in i 2 = 1.00 or
motor without gearbox
Motor–gearbox in i 2 = 4.00
Increased motor power 400%
GTP-2G INLINEShort output housing for direct mounting to spindle.
DesignGTP–2G is an innovative two speed gear box for machine tools, characterized by extremely low noise and vibration as well as excellent shifting mechanism. German Engineering GTP–2G is designed and developed by GTP’s R&D center located in Germany based on state of the art technology and abundant experience in machine tool industry. GTP–2G adopts single stage planetary gear concept with two speed shifting mechanism in order to meet various demands from worldwide machine tool industries. In contrast to conventional spur gearboxes, this planetary gearbox captivates bybenefits of the division of power to 4 planetary gears, thus achieving a extremely
compact and space saving design.
Misalignments and concentricity issues are ideally concentrated by the
floating design of the sun gear. Thus such a planetary gearbox is much
less sensitive to tolerance.The motor–gearbox unit is commonly fixed to the machine frame or bed
by using the gearbox foot mounting (Available for 2G120, 2G250,
2G300, 2G600 only).
Each gearbox has available an output side pilot for flange mounts.
For each application there is an ideal choice of output bearing with a
wide bearing base.
Variable output housings suitable for different main spindle design:
e.g. GTP –2G STANDARD with wide bearing base for belt drives
allowing high radial load. GTP–2G INLINE with short output housing
and angular contact bearings for direct drive.
In Addition, the four simultaneously meshing helical planetary gears
assure low–noise operation at high speed.
03 04
GTP-2G Design GTP-2G Design
15 10 11
9
GTP-2G 250 / 300 INLINE
Main components of gearbox:
Adapter parts :1: Drive hub
2: Adapter plate
3: Shaft seal
4: hub bearing
Housing:
5: Gearbox housing
Input:
6: Sun gear
7: Ring gear
8: Ring gear bearing
Output:
Main components of gearbox:
Adapter parts:
1: Hub seal
2: Drivehub
4: Adapater plate
Housing:
5: Drivehub
Input:
8: Sun gear
12: Ring gear
Output:
13: Output housing
14: Output bearing
15: Output bearing
16: Output shaft
7 : Planetary carrier
9 : Planetrary gear
Gearbox shifting
unit:3: Sliding sleeve
11: Brake disc
Gear shfting
unit10: Shifting unit
Lubrication:
6: Oil inlet pipe
GTP-2G800 Standard
10
5
11 12
14
13
15
16
7
8
96
1
2
3
4
3
1
4
2
5
19 20
17
18
16
6 10 11 13
12
978 14
4
5
2
1
3
8
9
7
10 11 12
13 14 15
16
9: Output housing
10: Output bearing
11: Output bearing
12: Output shaft
13: Shaft seal
14: Planetary carrier
15: Axial bearing with cup spring
Gear shifting unit :
16: Sliding sleeve 17: Sliding sleeve
bearing
18: Brake disc
Shift unit19: Shifting unit
20: Rack
05 06
GTP-2G600 StandardGTP-2G120/121 Standard
Ratio
(mm)
(KW)
(min–1)
(Nm)
(Nm)
(Nm)
(Nm)
(Nm)
(Nm)
2G250 2G300 2G600
Horizontal (B5)
Vertical (V1/V3)
(approx.kg)
Nominal data:
Motor frame size
Nominal power
Nominal speed
Nominal input torque (continuous operation S1)
Output torque
maximum data :
Max. Torque in Nm (intermitted loading S6 cycle
duration 10 min, ED. max. 60%)
Input
Output (max. accelarating torque)
Max. permitted input speed
in reduction ratio i≠1 direct drive i=1
Nax. vibration value
at reference speed
Max. axial force in reduction ratio
in counter clockwise(ccw) operation
running and max. input torquesee persmissible axial force for motor shaft
Mass moment of inertia
Output
Input
Operating data:
Oil fill volume in dm3
Approx oil fill in dm3 Oil level in middle of oil sight glass is nost accurate reading
Oil level
splash lubrication
recirculating lubrication
recirculating lubrication with heat exchanger
recirculating lubrication with CLS
Oi change interval
Oil temperature
Weight:
Standard
Electrical Connection:
for shifting unit
power consumption
Supply voltage(at shift unit)
current supply at 24V
(Nm)
(Nm)
(Nm)
(Nm)
(Nm)
(Nm)
(min–1)
(min–1)
(min–1)
(mm/s)
(min–1)
(N)
(N)
(N)
(N)
(J in kgcm2)
recirculating lubrication
HLP 68 as per ISO VG 68
HLP 46 as per ISO VG 46
HLP 32 as per ISO VG 32
HLP 22 as per ISO VG 22
for V1and V3installation position oil recirculating system is necessary
Every six months or 2000 working hours
max.120° C, depending on application, installation position, lubrication and cooling condition
160
47
1500
300/250*
300/
1200/
/
/1375
400
400
1600
2200
6300
10000
1.0
5000
4756
5288
270
570
36
2.7
93
120
24 ± 10%
5
4.00
4.91
5.00
5.50
1.00
4.00
W
V
A
1.00
4.00
4.91
5.00
5.50
1.00
4.00
4.91
5.00
5.50
≠1
1
132
39
1500
250
250
1000
1375
400
400
1600
2200
6300
10000
1.0
5000
3964
5288
270
570
36
1.5
69
120
24 ± 10%
5
100/112
19
1500
120
120
480
589
140
140
560
687
8000
12000
1.0
6000
110
144
9
1.0/1.4
43/53
120
24 ± 10%
5
2G1202G121
Customer can define bearing load and lifetime. See installation drawings or page 13 for bearing data.
1) Admissible with oil cooler, otherwise n max. for reduction ratio.2) Max. speed only permitted with oil connection at port K.
Customer can define bearing load and lifetime. See installation drawings or page 13 for bearing data.
1) Admissible with oil cooler, otherwise nmax. for reduction ratio.
3) Max. speed only permitted with integrated oil channel versions.4) Please make sure the pressure and volume of oil according operating operating instruction.* i=5.5: reduced input torque.
(mm)
(KW)
(min–1)
(Nm)
(Nm)
(Nm)
(Nm)
(Nm)
(Nm)
(min–1)
(min–1)
(min–1)
(mm/s)
(min–1)
(N)
(N)
(J in kgcm2)
Horizontal (B5)
Vertical (V1/V3)
(approx.kg)
W
V
A
≠1
1
4.00
1.00
4.00
1.00
4.00
1.00
4.00
Ratio 2G8002G801/2G802
standard
1956
1766
110
180
120
24 ± 10%
5
180/200/225
84
1000
800
800
3200
900
900
3600
5000
3.0
4000
recirculating lubrication
HLP 68 as per ISO VG 68
HLP 46 as per ISO VG 46
HLP 32 as per ISO VG 32
HLP 22 as per ISO VG 22
for V1 and V3 installation position oil recirculating system is necessary
Every six months or 2000 working hours
180
63
1000
600
600
2400
3000
840
840
3360
4200
5000
5000
2.5
4000
7253
9519
5.4
177
120
24 ± 10%
5
Nominal data:
Motor frame size
Nominal power
Nominal speed
Nominal input speed(continuous operation S1)
Output torque
Maximum data:
Max. Torque in Nm (intermitted loading S6 cycle
duration 10 min, ED. max. 60%)
Input
Output(max. accelerating torque)
Max. permitted input speed
in reduction ratio i≠1
for direct drive i=11)
max. vibration value
at reference speed
Max. axial force in redcuction ratioMax. axial force in redcuction ratio in counter clockwise(ccw)
operation running and max. input torque
see persmissible axial force for motor shaft
Mass moment of inertia
Output
Input
Operating data:
Oil fill volume in dm3
Approx oil fill in dm3 Oil level in middle of oil sight glass is nost accurate reading
Oil level
splash lubrication
recirculating lubrication
recirculating lubrication with heat exchanger
recirculating lubrication with CLS
Oil change interval
Oil temperature
Weight:
Standard
Electrical connection for shifting unit:
power consumption
Supply voltage(at shift unit)
current supply at 24V
max.120 C, depending on application, installation position, lubrication and cooling
3 ) 2 ) 3 ) 2 ) 3 ) 1 )
1 )
1 )
1 )
≦
07 08
Technical Data Technical Data
s2
All the dimensions are in mm.
Installation positions
Vertical V 1
Vertical V3
Horizontal B5
S2
e2
b d
h
I
S2
e2a1
d b
I
Motor frame size:
Standard motor connection dimensions
h
d
l
b
e2
a1
EN 50347: 2001
2G120
100
100
32/38/48
80 ± 0.1
180
215
-
14
2G121
112
112
42/48
110 ± 0.1
230/250
265
-
15
2G250
132/160
132
42/48/55/60
110–0.2
230/250/300
300/350
-
18
2G300
160/180
160
55/60
110–0.2
300
350/400
-
18
2G600
180
180
65/80140–0.2
170 ± 0.2300
400
450
18
2G801
200
200
65/75/80
140–0.2170 ± 0.2
350
400
450
19
2G802
225
225
75/80
140 ± 0.2
450
500
550
19
Gearbox sizes:Shaft diameter
[mm] Key lengthKey
383242424855
5548426065
60/657580
707090909090
909090125125125125150
10x810x812x812x8
14x916x10
60 12518x1116x1014x9
12x818x1118x1118x1120x1222x14
2G120/121
2G250
2G300
2G6002G8002G8012G802
Gearbox sizesGTP-2G
Horizontal B5Shift unit on right side (view from output)
Gearbox rotated along longitudinal axis( for 2G120/2G250 2G300/2G121/2G600)
See DIN ISO 8821For a full–key balanced motorshaft both types can be used. For Siemens motors, only full–Key balanced motorshaft can be used.
2G120/ 2G121/ 2G250/ 2G300/ 2G600 G
TP
GTP
GTP
Half–key balancing Full–key balancing
hub
motor shaft
2G800 /2G801 / 2G802
09 10
Standard Motor connection Dimensions Motor output shaft with standard key
There are choice of three different output variants. The standard long bearing base output flange version
is used for belt drives, allowing high cantilever forces. For 2G300/2G800, and extended output version is
optional for even higher belt forces. Further options include short output housings as GTP-2G INLINE for
space saving direct drives. This version is supplied as a standard with angular contact bearings.
There are two types of balancing: Half-key and full-key. In the case of full-key balancing, the motor shaft
is balanced with a fitted key, the hub without. The length of the fitted key is unimportant in this instance. In
the case of half-key balance, however, the key-way is filled out with a balance compensator. The shape,
length, and position of the keyway must be adapted. For this reason, it is necessary to provide us with
details of the motor- including the relevant dimensions and balancing type-when ordering.
Note
For motor gearbox units that are fixed in the machine with the gearbox output housing/flange only, no
preload support on motor B-side is permitted.
Gearbox sizes:
Open Design
( with/ without adapter plate)
Closed Design
(with hub bearing and shaft seal)
Closed Design
(with shaft seal)
Closed design (with hub bearing and shaft seal)
There is a version with ball bearing available for certain
motors. The hub in this version is also fixed by the bearing to
prevent axial hub movement, rsp. prevent axial forces from
the helical gearing on to the motor shaft (see technical data
page 8). Assembly onto spindle motor is made easier due to a
fixed hub position as supplied by the factory.
Closed version (with shaft seal)
This version incorporates an adapter plate with shaft seal,
which means that the gearbox forms a compact, closed unit.
Open design
The open version gearbox is with or without adapter plate.
Sealing is achieved with motor shaft seal.
Input flange: (2G250 / 2G600 /2G800 )
Besides the classic motor - gearbox – adaptation (motor shaft,
key way, hub) we offer- on request- a gearbox with input flange to
mount a pulley.
The output bearings vary depending on the type and level of load
on the output shaft. Cylindrical roller bearings are used to cope
with high radial forces, e.g. in belt pulley drives. In contrast,
angular-contact ball bearings are suitable for coaxial drives, low
radial backlash or axial forces. The flexible design of the output
housing and shafts allows a range of selections.
Gearbox interface:
Gearbox output
Ø 100
Ø 118Ø 130
Ø 140Ø 150Ø 38
Ø 42Ø 55Ø 60Ø 65Ø 90Ø 180Øwithout outputØ 38 INLINE
Ø 42 INLINE
GTP-2G 2G120 2G121 2G250 2G300 2G600
+
2G800
0
0
2G801
0
0
2G802
0
0+ + +
+ = Standard0 = Option
+
0
0
0+
00
0
+0
00
0
+
0
0
Output/Motor interface Connection options
11 12
16000
14000
12000
10000
8000
6000
4000
2000
2G120
0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Bearing B Bearing A
25000
20000
15000
10000
5000
2G250
0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70
30000
25000
2G300
20000
15000
10000
5000
0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70
30000
25000
20000
15000
10000
5000
0 0 10 20 30 40 50 60 70 80 90 100 110 120 130
2G300 - LA
Position[mm] Position[mm]
0
0
0
50000
40000
30000
20000
10000
2G600
0 10
20 30 40 50 60 70 80 90 100 110 120
100000 2G800
80000
60000
40000
20000
0 10
20 30 40 50 60 70 80 90 100 110 120
100000
80000
60000
40000
20000
0 10
20 30 40 50 60 70 80 90 100 110 120 130 140 150
2G800-LA
Permitted Cantilever ForcesFor standard bearing
service life = 36,000hours
Note:Take into account the motor
manufacture's permitted
cantilever forces.
Permitted Cantilever ForcesFor standard bearing
service life = 36,000hours
Note:Take into account the motor
manufacture's permitted
cantilever forces.
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
375 min-1
1 500 min-1
3 000 min-1
4 500 min-1
7 500 min-1
10 000 min-1
2G120 / 2G121
2G250 / 2G 300 / 2G 300 long nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
nab/out =
375 min-1
1 500 min-1
3 000 min-1
4 500 min-1
6 300 min-1
8 000 min-1
2G600 / 2G800 / 2G800 long
200 min-1
500 min-1
1 000 min-1
2 000 min-1
3 000 min-1
5 000 min-1
Tran
sver
se fo
rce
Tran
sver
se fo
rce
Bearing B Bearing A
Bearing B Bearing A
Bearing B Bearing A
Bearing B Bearing A
Bearing B Bearing A
Bearing B Bearing A
Versions and Lifetime Calculation based on XY-methodBelt must be between output bearings
Versions and Lifetime Calculation based on XY-methodBelt must be between output bearings
13 14
Application and Examples
Splash type lubricationThe standard gearbox version B5 has splash type lubrication. Splash type lubrication is suitable for intermittent operation. In this instance, frequent gear changes, varying speeds and idle time (e. g. due to retooling) are prerequisite.
Recirculating lubricationThe 2G120/2G121/2G250/2G300/2G600 gearboxes(vertical V1 and V3 installation positions) require recirculating lubrication. In this instance, the type of recirculating lubrication depends on the operating temperature levels required.
The 2G800/2G801/2G802 gearboxes must always be operated with recirculating lubrication (refer to installation drawings).
Forced recirculating lubricationSome applications require a very low operating temperature level. Forced recirculating lubrication is recommended in such instances. Figures on page 17/18 show the possible oil inlet and outlet positions on the gearbox. Please refer to the relevant installation drawings for detailed dimensions.
Standard recirculating lubrication in V1/B5 with oil tank installationThe oil inlet is attached in place of the oil drain plug.The oil flow rate is 2.5dm3 /min.(only for2G120/2G121/2G250/2G300); 3.0dm3 /min.(only for 2G600) ; 3.0dm3 /min. (only for 2G800). In the case of V3 vertical installation position, the lubrication oil can be supplied in either radial direction or centrally.
The tank of the pump unit must be ventilated. Oil back pressure in the return pipe to the gearbox must be avoided (min. 20mm). The tank capacity should be at least ten times the recirculating oil quantity. A 60μm filter and pressure limitation valve should also be used as a safeguard.
A heat exchanger is installed in the recirculating lubrication system to assure additional temperature reduction. For best cooling results without any influence on lubrication, various connection parts for different installation positions and operating modes are provided.
NoteFor continuous operation in direct drive on gear change per hour is mandatory with a short turn in reduction ratio. If this is impossible please request special solution.
Torsional backlashTwo backlash classes in reduction
mode are available:
Class 2:
Normal torsional backlash < 20 arcmin
Class 1:
Reduced torsional backlash < 15 arcmin
*Torsional backlash in 2G800 / 801 / 802
Class 3:
Normal torsional backlash < 40 arcmin
Extreme Milling Work
Class 2 : Normal torsional backlash<20 arcmin For
Lathes, milling machines and machining centers used
to execute extreme milling work, e.g. tool side milling
cutters with very coarse index/division (interrupted
cutting), workpieces made from tough material, milling
of ribbed workpieces.
Highly-dynamic Machine tools
Class 1 : Reduced torsional backlash<15 arcmin as
Class 2 : except in lightweight highly-dynamic machine
tools incorporating components with high internal
elasticity; designed to prevent resonance
vibration.
Lubrication
1615
Installation position
V1(closed version)
V3
B5
B5 turned*
Oil inlet*
M (1.0 dm3/min)
K/R and/or L/S (1.5 dm3/min)
K/R and/or L/S (1.5 dm3/min)
P (1.0 dm3/min)
G (2.5 dm3/min) or
F (2.5 dm3/min)
G or F (2.5 dm3/min)
Oil outlet*
1.5 bar
1.5 bar
1.5 bar
1.5 bar
D/E
H
D/E
H
Max. pressure
2G120 / 2G121
*View toward gearbox output :
D/G = Mainly counter clockwise rotation
E/F = Mainly clockwise rotation
Note: Gear-Box operating at permitted highest speed:- -Please make sure the minimum flow-rate is 3dm3/min and the minimum oil pressure is 3bar when you only use one channel (K port or L port) for channel lubrication system- -If you use two channel (K port and L port) for channel lubrication system ,the minimum flow-rate is 2.5dm3/min and oil pressure is 2.5bar。
*View toward gearbox output :
D/G = Mainly counter clockwise rotation
E/F = Mainly clockwise rotation
In V1/V3 recirculating lubrication is necessary for 2G250/300.
M (1.0 dm3/min)K or R(1.5 dm3/min)L additional possible
X
G(2.5 dm3/min)or
F(2.5 dm3/min)
G or F
P (1.0 dm3/min)K or R (1.5 dm3/min) L additional possible
M (0.5 dm3/min)K (2.5 dm3/min)
idem
M (0.5 dm3/min)
K (2.5 dm3/min)
idem
X
2G250 / 2G300 / 2G600 2G800
Installation Position Oli inlet*
3 bar5 bar
idem
3 bar5 bar
idem
X
Oil inlet* Oil outlet*
V1, V3 (closed version)
V1, V3 (open version)
B5
B5 turned*
V3
D/Eor
G/F
idem
G/ForD
idem
X
1.5 bar
1.5 bar1.5 bar
1.5 bar
1.5 bar
X
Oil outlet*
D/E
D/E
H
H
X
I
R
H
N
M P
LD
F
K
E
G
Note:
M
P
SR
K
E
G
H
L
D
F
2G250 / 2G300 / 2G600 2G800
O
P
LD
E K
I
F
H
G
M
Max. pressure
Max. pressure
Gear-Box operating at permitted highest speed:- -Please make sure the minimum flow-rate is 3dm3/min and the minimum oil pressure is 3bar when you only use one channel (K port or L port) for channel lubrication system- -If you use two channel (K port and L port) for channel lubrication system ,the minimum flow-rate is 2.5dm3/min and oil pressure is 2.5bar
Connections for recirculating lubrication Connections for recirculating lubrication
17 18
STA
ND
AR
DS
HIF
TIN
G U
NIT
WIT
HO
UT
NE
UTR
AL
PO
SIT
ION
SH
IFTI
NG
UN
IT W
ATTS
120
W A
T 24
VD
C
2G12
0 IN
LIN
E
STA
ND
AR
D
OPT
ION
OU
TPU
T SH
AFT
BA
LAN
CE
WIT
H K
EY
KE
Y A
10x8
x70
ΦM
A*M
OTO
R D
IME
NS
ION
*) A
SS
UM
ED
OF
RE
SU
LTIN
G
PU
LLE
Y FO
RC
E F
OR
BE
AR
ING
CA
LCU
LATI
ON
78
209
M10
X1
4
M12
X1.
5
208
3.5
M42
X1.
5
M8
M12
X1.
5
160
10812
M42
X1.
5
9292
6363
8989
17
45°
6X60
°
215
80
250
131
2510
15
5
M16
X1.
5
100 k6
188
190 g6
100
116.
5
3
13
15
28
15
273.
5
65.5
125.
1
17.4
162.
5
80
38 k
6
208
38 k
6
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196
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5
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100
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EV
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68
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SH
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HLP
46
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C. T
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C. T
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2G120 + Inline page 20
2G121 + Inline page 21
2G250 + Inline page 22
2G300 + Inline page 23
2G600 page 24
2G800 page 25
2G801 page 26
2G802 page 27
Installation Drawings
Installation Drawing : 2G120 Standard + Inline
19 20
STA
ND
AR
DS
HIF
TIN
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46
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17
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:Installation Drawing 2G121 Standard + Inline :Installation Drawing 2G121 Standard + Inline
21 22
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:Installation Drawing 2G300 Standard + Inline Installation Drawing : 2G600
23 24
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Installation Drawing : 2G801 StandardInstallation Drawing : 2G800 Standard
25 26
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40°
40°
104
160
238
157
HA
N 8
UH
AR
TIN
G P
LUG
SLE
EV
E U
NIO
N,
SO
CK
ET
INS
ER
T A
ND
CO
NTA
CT
BU
SH
ING
ES
AR
E S
UP
PLI
ED
LO
OS
E
2 G
1 2 3 4 5 6 7 8 9 10 11
3
1
456
3
4
12
09
11
08
3
4
B
C
L
P
G
C
B
1
2
3
4
9
1
4
Standard torsional backlash max. 20 arcmin
Reduced torsioanl backlash max. 15 arcmin
42mm
V1/V3/B5/B5 (rotate along right axis direction)
V3 Central oil supply in Output shaft central /
Motor shaft dimension "d"
48mm
Gearbox output torsional backlash
28mm
32mm
38mm
a1=38mm (2G120 / 2G121) INLINE
100/i1=4.91
112/i1=4.00
112/i1=4.91
Output bearing :
Roller bearing / ball bearingAngular contact bearing
Gearbox output :
a1=38mm
a1=100mm
a1=38mm smooth shaft, without key
a1=38mm smoothshaft, without key (2G120/2G121) INLINE
installation position :
Closed with hub, RWDR1)*
*Gearbox type :
for motor frame size / ratio
100/i1=4.00
1) RWDR=Radial shaft seal Note:
* Motor-specific, on request
Two-speed gearbox
Motor balancing :
Wichout key way
Half-key-250 for 121Half-key
Gearbox interface :
Closed with hub, hub bearing, RWDR1)*
Full-key-230 for 121
Full-key
Radial supply in bearing housing
Installation Drawing : 2G802 StandardGTP- 2GStandard, Inline Ordering numbers for gearbox types : 2G120/2G121
27 28
G2
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Note :1) RWDR= Radial shaft seal* motor-specific, on request
Two-speed gearbox
34
Motor balancing :
Full-key-2301Wichout key way
Full-key-2505Half-key-230
6Half-key-250
F
J
K
L
N
H
M
P
a1=130mm wide bearing base R
G
a1=55mm smooth shaft without key, INLINE
a1=55mm (2G300)
a1=42mm smooth shaft without key, INLINE
a1=42mm INLINE
Gearbox output :
a1=118mm(2G250)
a1=130mm(2G300)
a1=55mm mooth shaft without key
a1=42mm smooth shaft without key
a1=42mm(2G250)
Gearbox output torsional torque : 34
Standard torsional backlash max. 20 arcminReduced torsional backlash max. 15 arcmin
15
171920
Gearbox type :
for motor frame size / ratio
132/i1=4
132/i1=5.5
160/i1=4 2G250160/i1=4 2G300
212223
160/i1=5.5 2G250160/i1=5.5 2G300other
3
4Spindle ball bearing 6
Angular contact bearing
Roller bearing
Output bearing :
B5 splash type DC
Installation position :
V1 / V3 / B5 / B5 (rotating along right axis)
2G250 2G30001234
Motor shaft dimension "d"
without hub42mm 55mm48mm 48mm55mm 42mm60mm 60mm
3
4Closed with hub, RWDR1)*
Closed with hub, hub bearing, RWDR1)*
Gearbox interface :
2 G
1 2 3 4 5 6 127 8 9 10 11
4
5
3
30
31
40
4142
43
3
4
J
M
H
C
1
2
3
4
5
55x110mm 6
1
3
80x170mm
Gearbox output torsioanl backlash :
75x140mm
65x140mm
70x140mm
a1=65mm
180/i1=4.00 spigot Ø300mm
200/i1=4.00 spigot Ø350mm
200/i1=5.00 spigot Ø350mm
Output bearing :
Roller bearing
Angular contact bearing
Gearbox output :
a1=150mm (2G600)
a1=65mmsmooth shaft without key
Installation position :
B5 / V1 / V3
Motor shaft dimension "d"
60x140mm
for motor frame size / ratio
160/i1=4.00 spigot Ø300mm
Full- key
Half-key *
Gearbox interface :
Closed with hub, hub bearing, RWDR1)*
Note :1) RWDR = Radial shaft seal* motor-specific, on request
Two-speed gearbox
Motor balancing :
Gearbox type :
Standard backlash max. 30 arcmin
Reduced backlash max. 20 arcmin
Channel Lubrication System C.L.S.
Neutral position
160/i1=5.00 spigot Ø300mm
180/i1=5.00 spigot Ø300mm
Channel Lubrication System C.L.S. M
Neutral position N
Oil Level sensor S
M
N
29 30
GTP- 2G Standard, INLINE Ordering numbers for gearbox types : 2G250/2G300 Ordering numbers for gearbox types : 2G600
GTP- 2G Standard, INLINE
For quick response to your inquiry please provide us the following data by:Fax: +886-4-25152413
E-Mail : [email protected] [email protected]
f1
d b1
s1 l
□ Motor shaft with keyway
□ Motor shaft with shaft seal
□ Full-key balanced motor shaft
2.GTP-2G type:
□ 2G120
□ 2G600
□ 2G250
□ 2G801
□ 2G300
□ 2G802
1. Motor (with motor data sheet)
motor brand :
type :
size :
nominal power (kW) :
max. torque (Nm) :
motor operating speed n1 - n2 (rpm) at constant power :
max. speed (rpm) :
motor shaft diameter d (mm) :
motor shaft length l (mm) :
pilot diameter b1 (mm) :
pilot width f1 (mm) :
pcd e1 (mm) :
hole diameter s1 (mm) :
fitting key lxbxh (mm) :
□ Motor sahft without shaft sel
□ Half-key balanced motor shaft
□ 2G121
□ 2G800
2 G
1 2 4 5 6 7 — 8 9 10 11 12 — 13
4
5
2
4
5
9
50
60
70
1
H
L
J
R
C
B
60mm 1
65mm 2
3
4
5
1
N
Input flange(Ø=180k6)
V3
70mm
Backlash on gearbox output :
Normal backlash max. 40 arcmin
Neutral position :
Motor shaft diameter "d"
75mm
80mm
Installation position :
V1/B5
Gearbox output:
a1=65mm
a1=65mm without key
a1=180mm
a1=180mm wide bearing base
without brake
Open with hub and adapter plate*
Gearbox type :
motor frame size/ratio
180/i1=4.00 spigot Ø300mm
200/i1=4.00 spigot Ø350mm
225/i1=4.00 spigot Ø450mm
Brake :
Closed with hub and RWDR1)*
1)RWDR= Radial shaft seal * motor data, on request
Two-speed gearbox
Motor balancing :
Full-key
Half-key*
Gearbox interface
Open with hub
GTP- 2GStandard, INLINEOrdering number for 2G800/801/802
Check list
31 32
standard option
gearbox interface □ open □ with adpater plate and shaft seal
□ with input flange
(2G300/600/800)
□ 4.00 □ 5.0 (2G600)
□ 5.5 (2G250/300)
□ 4.91 (2G120/121)
Installation position □B5 □B5 shifting unit on the right □ V1 □ V3
Output bearings □ Roller bearing □ Angular-contact ball bearing
□ self aligning and roller
bearing (2G800/801/802)
Lubrication system □ Splash type lubrication □ recirculating lubrication with oil tank
□ Recirculating lubrication with heat exchanger
Gearbox output
Torsional backlash at gearbox output (2G800/801/802)
Subject to technical change without notice.
Ratio i
Gearbox with output flange
□ 100mm (2G120/121)
□ 118mm (2G250)
□ 130mm (2G300)
□ 150mm (2G600)
□ 180mm (2G800/801/802)
Gearbox with output shaft
□ 38mm (2G121/121) INLINE
□ 42mm (2G250/300) INLINE
□ 42mm (2G250/300)
□ 55mm (2G300)
□ 65mm (2G600/800/801/802)
Annual quantity:Ordering no.:Applictaion:
□ ≦20 arcmin □ ≦15arcmin □ ≦40arcmin
1. Warranty period: two years warranty since the date of installation on customer’s machine.
2. German Tech Auto Co., Ltd. provides training for installation, installation instructions and first installation
check, for ensuring the correctness of installation and operation.
3. Customer must ensure that the following dimensions and data should comply with the installation
instructions:
·All the dimensions of the motor
·Installation dimension of the hub
·Stability of the power supply
·Correctness of the PLC program
·Correctness of the lubrication oil circuit and stability of the flow rate, use right oil type and replace
the oil regularly.
* Above specifications and data please refer to each chapters of installation instruction.
* All of application warranty is only valid after installation, power supply for shifting, PLC program,
layout of lubrication and flow rate have been confirmed by GTA technical engineer.
* After confirming installation, power supply for shifting, PLC program, layout of lubrication and
flow rat, if any modification need reconfirm by GTA technical engineer.
4. There will be no warranty if customer cannot reach above regulations, accordingly GTA will charge
customer for the service cost
5. Damages due to natural and man-made calamities, installation and operation error would not be
covered by warranty.
33
GTP- 2GTwo Speed Spindle gearbox Warranty Clause